Merge pull request #1200 from Fryguy/rake_task_sprint_details

Add rake task to aid in creating sprint details

lib/tasks/sprint_defails.rake

@@ -0,0 +1,22 @@
+desc "Generate a sprint details file for the given sprint number"
+task :generate_sprint_details, [:sprint_number] do |_task, args|
+  # TODO: This is gross, and we need this code in a better location
+  require_relative "../../../sprint_statistics/sprint_boundary_iterator"
+
+  # TODO: There should be a class method on SprintBoundaryIterator that gets you the Sprint by number
+  number, range = SprintBoundaryIterator.new.detect { |number, _range| number == args[:sprint_number].to_i}
+
+  details = {
+    "title"         => "Sprint #{number} Details",
+    "sprint_number" => number,
+    "slides"        => nil,
+    "recording"     => nil,
+    "start_date"    => range.begin,
+    "end_date"      => range.end,
+    "review_date"   => range.end + 2.days
+  }
+  details = details.to_yaml << "---\n"
+
+  file = File.join(__dir__, "../../site/_sprints/#{number}.md")
+  File.write(file, details)
+end